VOC Waste Gas Treatment Solution
2024-10-30
Tsatanetsatane wa VOC Waste Gas Treatment System Solution
Ndi chitukuko chofulumira chachuma, kuchuluka kwa ma organic volatile compounds VOCs, m'zaka zaposachedwa, ma volatile organic compounds (VOCs) akhala amodzi mwazinthu zazikulu zowononga mpweya, zomwe zadzetsa chiwopsezo chachikulu paumoyo wa anthu komanso chilengedwe, kutha kwa ulamuliro wa VOC kwakopa chidwi cha anthu.
Pamaziko a ukadaulo waukadaulo womwe ulipo wamtundu umodzi wamankhwala, mfundo, kuyenda kwa njira, mawonekedwe a kafukufuku ndi chiyembekezo cha chitukuko chaukadaulo wophatikizika wa adsorption-catalytic combustion woyenera kuchuluka kwa zinyalala za mpweya ndi ndende yotsika ya VOC zikukambidwa mwatsatanetsatane.
Ma VOC Gasi amawononga kwambiri mlengalenga:
(1) Zina ndi zapoizoni ndi carcinogenic ndipo zimaika pangozi thanzi la munthu;
(2) Ma hydrocarbons ndi nitrogen oxides mu VOCs amatani kuti apange ozoni pansi pa kuwala kwa ultraviolet, zomwe zingayambitse zochitika zam'mlengalenga za utsi ndikuika pangozi thanzi la anthu ndi kukula kwa zomera;
(3) Kutenga nawo mbali pakupanga ma aerosols achiwiri mumlengalenga. Ma aerosols ambiri achiwiri ndi tinthu tating'onoting'ono, zomwe zimakhala zovuta kukhazikika. Zitha kukhalabe mumlengalenga kwa nthawi yayitali ndikukhala ndi mphamvu yobalalika yamphamvu yowunikira, yomwe ingachepetse kwambiri mawonekedwe amlengalenga;
Pakadali pano, malo ambiri am'matauni akuwonetsa kuipitsidwa kwa chifunga, mvula ya ozoni ndi asidi ndi zina zitatu zovuta zoipitsa mpweya, ndipo ma VOC ndi amodzi mwazinthu zofunika kwambiri zolimbikitsira.
Ukadaulo wamankhwala wamba wa VOCs:
Ulamuliro wa ma VOC wakhala wachangu, ukadaulo waposachedwa wamafuta a VOCs umagawidwa m'magulu awiri:
(1) Kuwongolera pa gwero, makamaka kumatanthauza njira zopewera kapena kuchepetsa ma VOCs monga mpweya mu ulalo wopangira, yomwe ndi njira yabwino kwambiri yothanirana ndi kuipitsidwa kwa gasi. Komabe, chifukwa cha kuchepa kwa luso laukadaulo, imatulutsa ndikutulutsa mpweya wosiyanasiyana wa organic ku chilengedwe, zomwe zimakhala zovuta kukwaniritsa.
(2) Njira yoyendetsera kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe kake.
Ukadaulo wobwezeretsa: ndikugwiritsa ntchito njira zakuthupi kuti achire njira zosawononga mpweya wa VOCs, makamaka njira yotsatsira mpweya, njira yotsitsa, njira yochizira nembanemba ndi zina zotero. Njira yamtunduwu sikungowongolera bwino kutulutsa kwa ma VOC, komanso kukonzanso zinthu kumatha kupulumutsa chuma ndikubweretsa phindu pazachuma, chifukwa chake ikukulirakulira.
Ukadaulo wowononga: ndiye kuti, kudzera munjira yamankhwala kapena yachilengedwe yopanga ma VOCs zinyalala makutidwe ndi okosijeni kuwonongeka mu zinthu zopanda poizoni kapena otsika poizoni wa njira zowononga, umisiri waukulu ndi kuyaka, kuwonongeka kwa photocatalytic, ukadaulo wa plasma, biodegradation ndi zina zotero.
Ukadaulo wamankhwala amafuta amtundu wa VOCs ndi njira imodzi yokha yochizira, malinga ndi momwe zinthu zilili komanso zofunikira za mpweya wotayira wa VOCs, sankhani njira yoyenera; Chifukwa cha mitundu yosiyanasiyana ya VOCs, zigawo zovuta, katundu wosiyana, nthawi zambiri, kugwiritsa ntchito teknoloji yoyeretsa nthawi zambiri kumakhala kovuta kukwaniritsa zofunikira za utsogoleri, komanso kusakhala ndi chuma. Pogwiritsa ntchito ubwino wa njira zamakono zothandizira mayunitsi, njira yothandizira mankhwala ophatikizana sangangokwaniritsa zofunikira zotulutsa mpweya, komanso kuchepetsa mtengo wogwiritsira ntchito zipangizo.
Mfundo zamakono za Zeolite Rotor Concentration + Catalytic Combustion Systems:
Ukadaulo woyamba womwe umagwiritsidwa ntchito pothana ndi mpweya wa VOCs ndi njira ya adsorption, yomwe imagwiritsidwa ntchito kwambiri komanso yofananira ndi activated carbon adsorption, activated carbon adsorption njira yotsatsira ndikuchiza utsi wa halogen ndi ukadaulo wa benzene wakhala wofala kwambiri pamsika. Mfundo yaikulu ya njira ya adsorption ndiyo kugwiritsa ntchito zipangizo za porous zomwe zili ndi malo akuluakulu enieni monga adsorbent. Pamene mpweya wa VOCs umayenda mwa adsorbent, chifukwa cha malo akuluakulu enieni a adsorbent, ma molekyulu a VOC amagwidwa pakatikati pa micropore ndi adsorbent, kuti akwaniritse zotsatira za kuyeretsedwa kwa mpweya. Monga ukadaulo watsopano wophatikizira komanso wothandiza wa ma VOC adsorption, ukadaulo wa zeolite Rotor Concentrator + catalytic combustion wagwiritsidwa ntchito kwambiri kumayiko akunja.
(1) Mtundu wa adsorbent
Adsorption ndiye maziko aukadaulo wama gudumu, womwe umagwiritsidwa ntchito kwambiri activated carbon ndi zeolite molecular sieve two. Mpweya wopangidwa ndi kaboni uli ndi ma micropores olemera, malo akuluakulu enieni apamwamba, mphamvu ya adsorption yamphamvu, kuthamanga kwachangu, imagwiritsidwa ntchito kwambiri muukadaulo wamagudumu. Mpweya wotsegulira ngati adsorbent wochitira gasi wonyansa, mphamvu yake yotsatsa ndi yaikulu, yotsika mtengo, koma pore yake ndi yosavuta kulumikiza, ndi mpweya wotsekemera wokha uli ndi flammability inayake, yosavuta kugwira moto pamene desorption, idzapanga chiopsezo china cha chitetezo, sichimakwaniritsa zofunikira za kupanga chitetezo, idzakhudzidwa pogwiritsira ntchito.
Zeolite molecular sieve ndi mtundu wazinthu za hydrate zokhala ndi chigoba chapadera cha crystalline aluminium silicate metal salt. General Chemical formula ndi motere:
[ (A102) x - (SiO2)y] - zH20o
Kumene M imayimira cation, m imayimira chiwerengero cha maiko a valence, z imayimira chiwerengero cha hydration, x ndi zikwi khumi ndi ma integers, atatha kukhazikitsidwa, A. Madzi a m'mutu adzasowa, ndipo zigawo zotsalira zidzasuntha kupanga khola la khola ndi kutsegula kwa 3 ~ 10Å.
Kusankha kotsatsa kwa zeolite molekyulu sieve makamaka chifukwa cha kapangidwe kake. Zeolite maselo sieve kabowo malamulo dongosolo, kugawa yunifolomu, kusankha adsorption makamaka chifukwa osiyana zeolite kabowo kukula ndi osiyana, mumikhalidwe yabwino, kokha maselo zazikulu m'mimba mwake zosakwana maselo sieve kabowo mamolekyu adzakhala adsorbed ndi sieve maselo.
Palinso kusiyana kwakukulu pamapangidwe a mafupa ndi kukula kwa ma pore amitundu yosiyanasiyana ya ma sieve a maselo, ndipo mawonekedwe a mafupa a maselo a maselo amakhala ndi kusiyana pakati pa madigiri osiyanasiyana, kotero kuti ma molekyulu ena okhala ndi ma molekyulu amphamvu kwambiri kuposa kukula kwa pore amathanso kukopedwa ndi izo, koma mlingo wa adsorption ndi mphamvu ya adsorption idzachepetsedwa kwambiri.
Chifukwa pali ma cations mu kapangidwe kake ndipo mawonekedwe a mafupa amakhala olakwika, ndiye sieve ya molekyulu yomwe ili ndi polarity. Phokoso la zeolite molekyulu sieve lipanga gawo lamphamvu lamagetsi labwino, kuti likope malo oyipa a mamolekyu a polar, kapena mamolekyu opangidwa ndi zeolite molecular sieve electrostatic induction pambuyo polarization.
Chifukwa chake, ma sieve a molekyulu a zeolite amatha kutsatsa mamolekyu okhala ndi polarity amphamvu kapena polarization yosavuta koma kinetic mainchesi okulirapo pang'ono kuposa kukula kwawo. Chifukwa sieve ya molekyulu imakhala ndi mawonekedwe apadera a pore kotero kuti imakhala ndi magwiridwe antchito apadera, pansi pa kutentha kwambiri komanso kutsika kwapang'onopang'ono imathanso kusewera mphamvu yake yotsatsa. Pakalipano, mitundu ya sieve ya maselo yomwe imagwiritsidwa ntchito nthawi zambiri kutsatsa ndi 13X, NaY, mercerite ndi ZSM-5.
Chiyambi cha gudumu la zeolite
Phunzirolo linanena kuti: ngati kukonzedwa malata ndi lathyathyathya ceramic CHIKWANGWANI pepala ntchito zisa kugwirizana njira kupanga zisa zisa, ndiyeno zeolite ndi mayamwidwe madzi pa njira gudumu, gudumu adzakhala choyamwa gudumu, pambuyo zatsopano anatsimikizira kuti gudumu adsorption kwa VOCs kuyeretsedwa mankhwala ndi zothandiza kwambiri.
Malo ozungulira a zeolite wothamanga atha kugawidwa m'magawo atatu: malo ochiritsira, malo osinthika ndi malo ozizira. Wothamanga wokhazikika amathamanga mosalekeza m'dera lililonse. Ma VOCs organic zinyalala gasi amasefedwa kudzera mu pre-sefa, ndiyeno kudzera m'dera mankhwala a ndende wothamanga chipangizo.
Ma VOCs m'malo ochizira amachotsedwa ndi adsorption ya adsorbent, ndipo mpweya woyeretsedwa umatulutsidwa kuchokera kumalo ochiritsira othamanga. The organic zinyalala mpweya VOCs adsorbed mu ndende wothamanga ndi desorbed ndi anaikira kwa 5 ~ 15 nthawi ndi otentha mpweya mankhwala m'dera kubadwanso.
Wothamanga wokhazikika amazizidwa m'malo ozizira, ndipo mpweya wodutsa m'malo ozizira umatenthedwa ndikugwiritsidwa ntchito ngati mpweya wobwezeretsedwanso kuti ukwaniritse zotsatira za kuyeretsedwa ndi kupulumutsa mphamvu.
Njira ya Catalytic Oxidation:
Njira yothandizira kuyaka imachitika mu gawo lothandizira kuyaka. Mpweya wotayirira wachilengedwe umatenthedwa mpaka 200-400 ° C kudzera muchotenthetsera, kenako ndikulowa m'chipinda choyaka. Podutsa pabedi lothandizira, mamolekyu a ma hydrocarboni ndi mamolekyu a okosijeni omwe ali mu osakaniza a gasi amalowetsedwa pamwamba pa chothandizira ndikuyambitsa motsatana. Chifukwa kutsatsa kwapamtunda kumachepetsa mphamvu yoyatsira zomwe zimachitika, ma hydrocarbons amapangidwa ndi okosijeni mwachangu ndi mamolekyu a okosijeni pamatenthedwe otsika kuti apange mpweya woipa ndi madzi.
Zeolite Rotor adsorption concentration - chothandizira kuyaka njira:
Lingaliro loyambira laukadaulo wamakina a zeolite wheel catalytic combustion ukadaulo, ma VOC omwe ali mumafuta otayira m'mafakitale omwe ali ndi ndende yotsika komanso kuchuluka kwa mpweya wambiri amasiyanitsidwa ndikukhazikika ndi njira yolekanitsa ya adsorption, komanso mpweya woipitsidwa wokhala ndi ndende yayikulu komanso voliyumu yaying'ono ya mpweya pambuyo pakuwonongeka ndikuyeretsedwa ndi njira yoyaka, yomwe imadziwika kuti adsorption purtion & combus separation.
Wothamanga wa adsorption wokhala ndi zisa za uchi amayikidwa mu chipolopolo chogawidwa m'malo opangira, kusinthika ndi kuziziritsa, ndipo amazungulira pang'onopang'ono pa liwiro la 3 ~ 8 revolutions pa ola pansi pagalimoto yoyendetsa liwiro.
Magawo atatu a adsorption, kusinthika ndi kuziziritsa amalumikizidwa motsatana ndi njira zodutsa mpweya wamankhwala, mpweya woziziritsa komanso mpweya wosinthika. Komanso, pofuna kupewa kutuluka kwa mpweya pakati pa njira ya mphepo ndi circumference wa wothamanga adsorption ndi chipolopolo pakati pa chigawo chilichonse, mbale partition ndi wothamanga adsorption, circumference wa wothamanga adsorption ndi chipolopolo okonzeka ndi kutentha kugonjetsedwa, zosungunulira fluoro kusindikiza mphira kusindikiza.
Nambala 1 imayendetsa ma VOC okhala ndi mpweya wotulutsa mpweya kudera la othamanga, lomwe ndi malo otsatsa. Zida zosiyanasiyana zotsatsa zimatha kudzazidwa ndi wothamanga malinga ndi zolinga zosiyanasiyana. Dera la VOCs adsorbed limabwera ku dera la b kuti liwonongeke ndi kuzungulira kwa wothamanga. The mkulu kutentha mpweya otaya kutengerapo kutentha 1 adzakhala desorb ndi VOCs adsorbed pa wothamanga, ndi kufika poyatsira kutentha kudzera kutentha kutengerapo 2, ndiyeno kulowa chothandizira kuyaka chipinda chothandizira makutidwe ndi okosijeni anachita. Popeza wothamanga amayenera kudyedwa pambuyo pa desorption, malo ozizira c amayikidwa pafupi ndi malo otsekemera kuti aziziziritsidwa ndi mpweya, ndipo mpweya wozizira wotentha umakhala mpweya wotentha kuti uwonongeke kupyolera mu kutentha kutentha 1.
Pakupanga tchipisi tamakono, makampani opanga ma LCD, makampani opanga ma semiconductor, mafakitale osindikizira, mafakitale okutira ndi magawo ena opanga mafakitale. njira yake yokhazikika kupanga ayenera kugwiritsa ntchito ambiri zosungunulira organic, ntchito monga kuyeretsa wothandizila, photoresist, kuvula madzi, diluent, etc., mu ndondomeko izi adzabala kuchuluka kwa organic zinyalala mpweya, izi organic zinyalala mpweya ndi lalikulu mpweya buku, otsika ndende ya zinyalala mpweya, kotero kuti efficiently kuchitira mtundu uwu wa zinyalala mpweya munali VOCs rotor kwambiri njira mankhwala ndi Zesor ndende njira ndi Zesor kupezeka.
Ntchito Yosiyanasiyana ya Zeolite Rotary Concentration + Catalytic Combustion Systems:
Zeolite rotary concentration ndi catalytic combustion systems zimakhala ndi ntchito zosiyanasiyana, zomwe zimakhudza mafakitale osiyanasiyana komanso momwe zimakhalira ndi mpweya wotulutsa mpweya. Ukadaulo wamakonowu umagwiritsidwa ntchito makamaka pakuchotsa zinyalala za gasi wokhala ndi ndende yotsika komanso kuchuluka kwa mpweya wambiri, ndipo ndizoyenera kugwiritsa ntchito mafakitale osiyanasiyana.
Imodzi mwa ubwino waukulu wa zeolite rotor concentrator ndi mphamvu yake yogwiritsira ntchito mpweya wotayirira womwe ulibe ma halogen monga S, N, Cl, F, ndi zina zotero. Ngati zigawozi zilipo, zikhoza kuchitidwa mu pretreatment siteji isanayambe kuyaka kuti zitsimikizire kuti palibe zigawo zatsopano za gasi zomwe zimatulutsidwa pambuyo pa kuyaka.
Kuonjezera apo, malo otentha a mpweya wotulutsa mpweya sangakhale wokwera kwambiri kuti athandizidwe bwino pogwiritsa ntchito dongosololi. Ngati kutentha kupitirira 300 ° C ndipo kumawoneka ndi mpweya wotentha, mpweya wotayirira wachilengedwe womwe umatulutsidwa pa zeolite molekyulu sieve sudzawonongeka kwa nthawi yayitali, zomwe zimakhudza mphamvu ya chithandizo.
Ukadaulo wapamwambawu ndi woyenera m'mafakitale osiyanasiyana, kuphatikiza mafakitale opanga mankhwala, malo opaka utoto, makampani opanga mankhwala, mafakitale amagetsi, opanga mipando, makampani opaka ndi kusindikiza, ndi malo opaka utoto. Imasamalira bwino zosungunulira za organic ndi mpweya wotayidwa kuchokera kumafakitale osiyanasiyanawa, ndikupangitsa kuti ikhale yankho losunthika komanso lofunika kwamakampani omwe akufuna kukonza njira zawo zopangira gasi.
Makamaka, mipweya yonyansa imatha kutsatiridwa ndikusinthidwa ndi ma zeolite, kuwapangitsa kukhala oyenera kulandira chithandizo. Komabe, ngati mpweya wotulutsa mpweya uli ndi S, N, Cl, F ndi zigawo zina, zowonongeka zachiwiri zidzapangidwa pambuyo pa kuyaka, ndipo sizoyenera chithandizo chothandizira kuyaka.
Mwachidule, makina a zeolite rotary ndi makina oyatsa moto amakhala ndi ntchito zosiyanasiyana ndipo amapereka mayankho odalirika komanso othandiza pakuwongolera gasi wa VOCs m'mafakitale osiyanasiyana. Kukhoza kwake kuthana ndi kuchuluka kwa mpweya komanso kutsika kochepa kumapangitsa kukhala chinthu chamtengo wapatali poyang'ana kukonza njira zochizira utsi.